AP - Britney Spears' latest CD, "Circus," has landed her back at a familiar position — No. 1. The singer's comeback CD — actually, make that her second comeback CD — will top the album charts next week, according to her label, Jive. Though Nielsen SoundScan does not release its official figures until Wednesday, estimates have the record selling as many as 500,000 copies in its first week of release.More...